We should all be familiar with QR codes, those blocky printed patterns containing encoded text, URLs, or other data. A few years ago they were subject to their own cloud of hype, but now they have ...
Masahiko Hara, who developed the QR code, says the codes' uses have surpassed his expectations. (Photo courtesy of Denso Wave Inc.) Did you know those square QR codes we see all around us were ...
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